package aop;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.springframework.stereotype.Component;

@Component
@Aspect
public class MyAdvice {
    @Pointcut("execution(void dao.BookDao.update())")
    private void pt(){}
    @Pointcut("execution(int dao.BookDao.select())")
    private void pt2(){}
//    @Before("pt()")
    public void before() {
        System.out.println("before advice ...");
    }
//    @After("pt()")
    public void after() {
        System.out.println("after advice ...");
    }
//    @Around("pt()")
    public Object around(ProceedingJoinPoint pjp) throws Throwable {
        System.out.println("around before advice ...");
        Object proceed = pjp.proceed();
        System.out.println("around after advice ...");
        return proceed;
    }
//    @Around("pt2()")
    public Object aroundSelect(ProceedingJoinPoint pjp) throws Throwable {
        System.out.println("around before advice ...");
        Integer proceed = (Integer)pjp.proceed();
        System.out.println("around after advice ...");
        return proceed;
    }
//    @AfterReturning("pt2()")
    public void afterReturning() {
        System.out.println("afterReturning advice ...");
    }
@AfterThrowing("pt2()")
    public void afterThrowing() {
        System.out.println("afterThrowing advice ...");
    }
}